SHEARLETS

作品数：6被引量：18H指数：2
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相关领域：自动化与计算机技术更多>>
相关作者：路延更多>>
相关机构：武汉工程大学陕西职业技术学院浙江工业大学兰州大学更多>>
相关期刊：《Science China Mathematics》《电子测试》《Chinese Optics Letters》《自动化学报》更多>>
相关基金：国家自然科学基金更多>>
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Skin Lesion Classification System Using Shearlets
《Computer Systems Science & Engineering》2023年第1期833-844,共12页S.Mohan Kumar T.Kumanan 
The main cause of skin cancer is the ultraviolet radiation of the sun.It spreads quickly to other body parts.Thus,early diagnosis is required to decrease the mortality rate due to skin cancer.In this study,an automati...
关键词：Skin lesion classification non-subsampled shearlet transform sub-band coefficients energy feature support vector machine 
An Automated Brain Image Analysis System for Brain Cancer using Shearlets被引量：1
《Computer Systems Science & Engineering》2022年第1期299-312,共14页R.Muthaiyan Dr M.Malleswaran 
In this paper,an Automated Brain Image Analysis(ABIA)system that classifies the Magnetic Resonance Imaging(MRI)of human brain is presented.The classification of MRI images into normal or low grade or high grade plays ...
关键词：Brain image analysis WAVELETS Shearlet multi-scale analysis hybrid classification 
SAR Image Despeckling by Sparse Reconstruction Based on Shearlets被引量：4
《自动化学报》2015年第8期1495-1501,共7页JI Jian LI Xiao XU Shuang-Xing LIU Huan HUANG Jing-Jing 
Supported by National Natural Science Foundation of China （61101248）, the Fundamental Research Fund for the Central Universities of China （JB140315）
关键词：SAR图像 相干斑抑制 稀疏 合成孔径雷达图像 贝叶斯估计 重构 散斑噪声 乘性噪声 
Estimations of directional Hlder regularity by shearlets被引量：1
《Science China Mathematics》2015年第4期791-812,共22页HU Lin LIU YouMing 
supported by National Natural Science Foundation of China(Grant No.11271038)
This paper studies directional Hlder regularity of two-variable functions by their shearlet coefficients, where the shearlets are defined by Guo and Labate(2013). We provide necessary conditions for a function possess...
关键词：Holder space shearlet directional regularity 
图像边缘信息检测的一种有效方法
《电子测试》2013年第12X期267-268,共2页路延 
本文使用了一种新的后小波分析工具—Shearlets,利用它在高维情况下的多尺度性、方向敏感性等良好性质,对图像边缘进行精确的定位,以及确定边缘的类型。在此图像边缘检测过程中,用K-means聚类算法确定了边缘点和边缘的类型。最后进行实...
关键词：图像边缘检测 小波变换 SHEARLETS K-MEANS聚类算法 
Multi-focus image fusion algorithm based on shearlets被引量：12
《Chinese Optics Letters》2011年第4期25-29,共5页苗启广 石程 许鹏飞 杨眉 史耀波 
jointly supported by the National Natural Science Foundation of China (Nos. 61072109 and 60702063);the Fundamental Research Funds for the Central Universities, and the Creative Project of the Science and Technology State of Xi'an under Grant (No. CXY1015(3);partly supported by the National Natural Science Foundation of China (Nos. 60804021 and 60802084)
Shearlets not only possess all properties that other transforms have, but also are equipped with a rich mathematical structure similar to wavelets, which are associated to a multi-resolution analysis. Recently, shearl...
关键词：Edge detection Wavelet transforms 
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